# -*- coding: UTF-8 -*-
"""
@author: MaLj 
@contact: malj@163.com
@site: www.e-law.com
@version: 1.0
@file: alien_invasion.py.py
@time: 2017/12/4 12:43

这一行开始写关于本文件的说明与解释
"""
import pygame
from pygame.sprite import Group
from settings import Settings
from game_stats import GameStats
from scoreboard import Scoreboard
from button import Button
from ship import Ship
import game_functions as gf

def run_game():
    # 初始化游戏并创建一个屏幕对象
    pygame.init()
    ai_settings = Settings()
    screen = pygame.display.set_mode((ai_settings.screen_width,ai_settings.screen_height))
    pygame.display.set_caption("Alien Invasion")
    # 创建Play按钮
    play_button = Button(ai_settings,screen,"Play")
    # 创建存储游戏统计信息的实例，并创建记分牌
    stats = GameStats(ai_settings)
    sb = Scoreboard(ai_settings,screen,stats)
    # 设置背景色-
    bg_color = (ai_settings.bg_color)
    #创建一艘飞船
    ship = Ship(ai_settings,screen)
    # 创建一个用于存储子弹的编组
    bullets = Group()
    # 创建一个外星人编组
    aliens = Group()
    # 创建外星人群
    gf.create_fleet(ai_settings,screen,ship,aliens)
    # 开始游戏的主循环
    while True:
        # 监视键盘和鼠标事件
        gf.check_events(ai_settings,screen,stats,sb,play_button,ship,aliens,bullets)
        if stats.game_active:
            ship.update()
            gf.update_bullets(ai_settings,screen,stats,sb,ship,aliens,bullets)
            gf.update_aliens(ai_settings,screen,stats,sb,ship,aliens,bullets)
        gf.update_screen(ai_settings,screen,stats,sb,ship,aliens,bullets,play_button)

run_game()